@misc{indiciae52b26b92cba9,
  title = {Private referrals.},
  author = {J D Williamson},
  year = {1979},
  doi = {10.1136/bmj.2.6191.676-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/497797/},
  note = {Source identifier: 497797}
}